熱い【あつい】
hot (to the touch), passionate (feelings, etc.), ardent, hot (e.g. gaze), hot (e.g. temper), zealous, enthusiastic, fired up, intense, severe, extreme, hot (topic), of interest
熱【ねつ】
heat, fever, temperature, zeal, passion, enthusiasm, mania, craze, rage
情熱【じょうねつ】
passion, enthusiasm, zeal
熱【ねち】
fever
熱帯【ねったい】
tropics
熱気【ねっき】
heat, hot air, enthusiasm, excitement, fervour, fervor, heated atmosphere, fever
熱意【ねつい】
zeal, enthusiasm, ardor, ardour
熱戦【ねっせん】
fierce fight, close contest
過熱【かねつ】
superheating, overheating
熱狂【ねっきょう】
wild enthusiasm, being crazy about
加熱【かねつ】
heating, application of heat
熱烈【ねつれつ】
ardent, passionate, vehement
断熱【だんねつ】
insulation
高熱【こうねつ】
high fever, pyro-
発熱【はつねつ】
generation of heat, (attack of) fever, pyrexia
熱帯魚【ねったいぎょ】
tropical fish
熱湯【ねっとう】
boiling water
熱弁【ねつべん】
impassioned speech, fervent speech
白熱【はくねつ】
white heat, incandescence, (emitting) white light, white glow, becoming excited, getting heated (e.g. of a discussion), reaching a climax
熱風【ねっぷう】
hot wind
